Gas-bell for furnaces.



110.735.421- PATENTED AUG. 4, 1903.

E. R. S'IASCH. GAS 'BBLL FOR FURNACES.

. APPLICATION i'ILfiD JAN. 27, 1903,

, N0 MODEL.

m a m WITNESS NVENTOR 7/ 7 16/ B E/IZLZBSZddd/Z No. 735,421. p I UNITEDSTATES Patented August 4, 1903'.

PATENT OFFICE.

EMIL R. sTAscH; 0E1 coENINc, NEW YORK.

I GAS-BELL FOR FURNACES."

SPECIFICATION forming part of Letters Patent No. 735,421, dated August4, 1903. Application filed January-27, 1903. Serial No. 140.687. (Nomodel.)

To all whom, it may concern: I

Be it known that I, EMIL R. STASGH, a cit i zen of theUnited States,residipg at Corning,

in the county of Steuben, State of New York, have invented certain newand-useful Improvements in Gas-Bells for Furnaces, of which thefollowing is a specification, reference being bad therein to theaccompanying drawings.

Thisinvention relates to a gas-bell for furj naces, and particularly toaconstruction of parts adapted to be suspended in the center of thefire-box to occupy a portion of thecoalspace and to burn the gases fromthe center of a body of coal.

Theinvention has for an object to provide a mixing chamber suspendedabovethe grate having openings adapted to permit the en= trance thereinof the gases from the body of the coal, wherethey will be mixed with airand burned at'the upper portion of the chamber.

A further object of the invention is to com-.

bine with this chamber a Water-heating re ceptacle, so that the ignitedgases,in connection withthe furnace-fire, assist in heating the water.

Other and further objects andadvantages:

of the invention will be hereinafter set forth and the novel featuresthereof defined by the any form of furnace, but for the purpose ofillustration is herein-shown in connection with a hot-airfurnace ofsubstantially the construction shown in my prior patent, No. 489,994,dated January 17, I893.-

The letter A designates a fire-box having the grate-bars A at the lowerportion thereof and the ash-'pitA beneaththe bars. Above the fire-box adome A is provided, and circumferentially thereto hot-air flues A extendthrough the dome to be heated by the products of combustion. A suitableash-door A is provided to the ash-pit'and a feeding-door A at the domeportion, while extending from the dome is a smoke-flue A communicatingwith a smoke-pipe A said line being provided with a damper A, by whichthe products of combustion may be directed downward into theradiating-chamber A from which they may escape by a flue A into thesmoke-pipe A This flue is also provided with a check-draft dam per A,while the furnace itself is suitably inclosed within a hotso as toeffect a compression of the fuel within the chamber and form a jetadaptedto be ignited at that point. As shown in Fig. 1, this chamberoccupies the center of the fuelspace and is suspended above thegrate-bars, so as to permit a free operation of the same and also toreceive air between the bars from the ash-pit. The fuel extends aroundthe lower portion of the chamber and the openings O therein, so that thegas generated in the center of the body of the fuel by the heat isadmitted into the chamber and there mixed with the air from the bottomof the chamber, from whence the mixed fluids escape through the openings0 where, they are ignited and burn above the body of the fuel,thi stending to heat the dome containing the hot-air fines to a' greaterextent than by the fuel alone. If so desired, a water-receptacle D maybe provided above the top of the mixing-chamber and has communicatingtherewith an inletpipe D and an outlet D extendingdownward from the domeA to which they are affixed for the purpose of suspending the bell abovethe grate-bars. These pipes may extend to any desired point Wherethewater is to be used, and the location of the receptacle directlyabove the burner-openings 0 causes the receptacle to be heated by thegas-flame from these openings and provide a rapid and desirable methodof heating water by utilizing the gasesfrom the fuel.

The operation of the invention will be apparent from the foregoingdescription, and it will be seen that the suspension of the gaschamberabove the grate-bars in the center of the fire-box economizes in theamount of fuel required, the center of the body of which is frequentlyof very little use for heating purposes, particularly where it isdesired to heat the exterior Walls of the fire-box to the greatestextent. Furthermore, this chamber relieves the fuel of the liberatedgases which are therein mixed with air and burned to increase theheating capacity of the furnace and also to prevent the escape thereofinto the hot-air flues, which occurs if any loose joint-s exist.Furthermore, the arrangement of the water-receptacle relative to theburneropenings provides for the heating of water within the furnace whendesired, and these openings carry a heating-flame upward above the mainbody of the fuel, which materially increases the temperature of the domeproportionate to the amount of fuel used.

It will be obvious that changes may be made in the details ofconstruction and configuration of the several parts hereinbeforedescribed and that the invention may be applied to any desired form offurnace without departing from the spirit thereof as defined by theappended claims.

Having described my invention and set forth its merits, what I claim,and desire to .secure by Letters Patent, is-

portion and with burner openings at the upper portion of the chamberwithin the fire-box. 2. In a furnace and in combination with the gratethereof, a mixing-chamber comprising a cylindrical body having an openlower end supported adjacent to the grate and provided with elongatedinlet-openings at its lower portion and tapered burner-openings at theupper portion thereof.

3. In a device of the class described, a furnace, a mixing-chambersupported above the grate thereof and provided with gas inlet openingsat its lower portion and burneropenings at the upper portion thereof, awater-receptacle disposed at the upper portion of the mixing-chamberabove said burneropenings, and inlet and discharge pipes for saidreceptacle.

4. In a device of the class described, afurnace, a mixing-chambersupported above the grate thereof and provided with gas-inlet openingsat its lower portion and burneropenings at the upper portion thereof, awater-receptacle disposed at the upper portion of the mixing-chamberabove said burneropenings, and inlet and discharge pipes for saidreceptacle said pipes being secured to the dome of the furnace tosuspend the mixing-chamber therein.

5. A gas-bell comprising a cylindrical body having a mixing-chamber openat its lower end and provided with inlet and outlet openings in the Wallthereof, and a Water-receptacle disposed within the upper portion ofsaid body above said outlet-openings.

In testimony whereof I affix my signature in presence of two witnesses.

EMIL R. STASGH.

Witnesses: I

WILLARD S. REED, JOSEPHINE N. GOFF.

